170 lines
4.7 KiB
C
170 lines
4.7 KiB
C
/* $NetBSD: podulebus_machdep.h,v 1.5 2001/07/02 23:18:35 bjh21 Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995 Mark Brinicombe.
|
|
* Copyright (c) 1995 Brini.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Brini.
|
|
* 4. The name of the company nor the name of the author may be used to
|
|
* endorse or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* RiscBSD kernel project
|
|
*
|
|
* podulebus.h
|
|
*
|
|
* Podule bus header file
|
|
*
|
|
* Created : 26/04/95
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <machine/bus.h>
|
|
#include <machine/io.h>
|
|
|
|
/* Define the structure used to describe a podule */
|
|
|
|
#define PODULE_DESCRIPTION_LENGTH 63
|
|
|
|
typedef struct {
|
|
/* The podule header, read from the on board ROM */
|
|
|
|
u_char flags0;
|
|
u_char flags1;
|
|
u_char reserved;
|
|
u_short product;
|
|
u_short manufacturer;
|
|
u_char country;
|
|
u_int irq_addr;
|
|
u_int irq_mask;
|
|
u_int fiq_addr;
|
|
u_int fiq_mask;
|
|
|
|
/* The base addresses for this podule */
|
|
|
|
u_int fast_base;
|
|
u_int medium_base;
|
|
u_int slow_base;
|
|
u_int sync_base;
|
|
u_int mod_base;
|
|
u_int easi_base;
|
|
|
|
/* Flags */
|
|
|
|
int podulenum;
|
|
int slottype;
|
|
int attached;
|
|
|
|
/* Other info */
|
|
|
|
char description[PODULE_DESCRIPTION_LENGTH + 1];
|
|
u_int (*read_rom)(u_int, int);
|
|
|
|
/* podule specific information provided by podulebus */
|
|
|
|
int interrupt;
|
|
|
|
int dma_channel;
|
|
int dma_interrupt;
|
|
} podule_t;
|
|
|
|
#define PODULE_FLAGS_CD 0x01
|
|
#define PODULE_FLAGS_IS 0x02
|
|
|
|
#define SLOT_NONE 0x00
|
|
#define SLOT_POD 0x01
|
|
#define SLOT_NET 0x02
|
|
|
|
typedef int podulebus_intr_handle_t;
|
|
|
|
#define podulebus_attach_args podule_attach_args
|
|
|
|
struct podule_attach_args {
|
|
podule_t *pa_podule; /* podule descriptor */
|
|
int pa_podule_number; /* podule number */
|
|
int pa_slottype; /* podule slot type */
|
|
bus_space_tag_t pa_iot; /* bus space tag */
|
|
|
|
#define pa_easi_t pa_iot
|
|
#define pa_mod_t pa_iot
|
|
#define pa_fast_t pa_iot
|
|
#define pa_medium_t pa_iot
|
|
#define pa_slow_t pa_iot
|
|
#define pa_sync_t pa_iot
|
|
|
|
#define pa_easi_base pa_podule->easi_base
|
|
#define pa_mod_base pa_podule->mod_base
|
|
#define pa_fast_base pa_podule->fast_base
|
|
#define pa_medium_base pa_podule->medium_base
|
|
#define pa_slow_base pa_podule->slow_base
|
|
#define pa_sync_base pa_podule->sync_base
|
|
|
|
podulebus_intr_handle_t pa_ih; /* interrupt handle */
|
|
|
|
#define pa_manufacturer pa_podule->manufacturer
|
|
#define pa_product pa_podule->product
|
|
#define pa_descr pa_podule->description
|
|
};
|
|
|
|
/* Useful macros */
|
|
|
|
/* EASI space cycle control */
|
|
|
|
|
|
#define IS_PODULE(pa, man, prod) \
|
|
(pa->pa_manufacturer == man && pa->pa_product == prod)
|
|
|
|
|
|
|
|
#define EASI_CYCLE_TYPE_A 0x00
|
|
#define EASI_CYCLE_TYPE_C 0x01
|
|
#define set_easi_cycle_type(podule, type) \
|
|
IOMD_WRITE_BYTE(IOMD_ECTCR, (IOMD_READ_BYTE(IOMD_ECTCR) & ~(1 << podule)) | (1 << type))
|
|
|
|
#ifdef _KERNEL
|
|
|
|
/* Array of podule structures, one per possible podule */
|
|
|
|
extern podule_t podules[MAX_PODULES + MAX_NETSLOTS];
|
|
|
|
int matchpodule __P((struct podule_attach_args *pa,
|
|
int manufacturer, int product, int required_slot));
|
|
|
|
void netslot_ea __P((u_int8_t *buffer));
|
|
|
|
extern void *podulebus_irq_establish __P((podulebus_intr_handle_t, int,
|
|
int (*)(void *), void *, struct evcnt *));
|
|
extern void podulebus_shift_tag __P((bus_space_tag_t, u_int,
|
|
bus_space_tag_t *));
|
|
|
|
/* Used internally by the podulebus code */
|
|
extern void netslotscan(struct device *);
|
|
extern void poduleexamine(podule_t *, struct device *, int);
|
|
|
|
#endif
|
|
|
|
/* End of podulebus.h */
|